Central Government Organisation Ordnance Factory Board April 22, 2013 / September 30, 2014 by | Leave a Comment Ordnance Factory Board Address: Ayudh Bhawan 10-A, S. K. Bose Road Kolkata – 700001, India Telephone (PBX) (from outside India): (0091-33) 2248 5077-80. extn: 381, 392, 309 Email : export.ofb@nic.in Website: https://ofbindia.gov.in Read more » Address of ordnance factory board Email of ordnance factory board ordnance factory board Phone no ordnance factory board Website of ordnance factory board what is ordnance factory board what is the work of ordnance factory board